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Renormalization flow of bound states
Open accessAbstract
A renormalization group flow equation with a scale-dependent transformation of field variables gives a unified description of fundamental and composite degrees of freedom. In the context of the effective average action, we study the renormalization flow of scalar bound states which are formed out of fundamental fermions. We use the gauged Nambu--Jona-Lasinio model at weak gauge coupling as an example. Thereby, the notions of a bound state or fundamental particle become scale dependent, being classified by the fixed-point structure of the flow of effective couplings.
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Citations
Cites
Exact evolution equation for the effective potential
Wetterich, C. (1993) · Physics Letters B · doi:10.1016/0370-2693(93)90726-x · Cited by 2,272
Self-citation
Cited by
Aspects of the functional renormalisation group
Pawlowski, J. M. (2007) · Annals of Physics · doi:10.1016/j.aop.2007.01.007 · Cited by 885
The nonperturbative functional renormalization group and its applications
Dupuis, N., Canet, L., Eichhorn, A., Metzner, W., Pawlowski, J. M., Tissier, M., & Wschebor, N. (2021) · Physics Reports · doi:10.1016/j.physrep.2021.01.001 · Cited by 660
QCD phase structure at finite temperature and density
Fu, W.-J., Pawlowski, J. M., & Rennecke, F. (2020) · Physical Review D · doi:10.1103/physrevd.101.054032 · Cited by 367
Fermion interactions and universal behavior in strongly interacting theories
Braun, J. (2012) · Journal of Physics G: Nuclear and Particle Physics · doi:10.1088/0954-3899/39/3/033001 · Cited by 282
Lectures on the functional renormalization group method
Polonyi, J. (2003) · Open Physics · doi:10.2478/bf02475552 · Cited by 255
Metadata
- Authors
- Gies, H., & Wetterich, C.
- Venue
- Physical Review D
- Publisher
- American Physical Society (APS)
- Published
- 2002-02-05
- Volume
- 65
- Issue
- 6
- ISSN
- 0556-2821 (ISSN-L)
- 1089-4918
- OpenAlex
- W2120897398
- Cited by
- 224
- References
- 1
- FWCI
- 2.48
- Type
- journal article
- Language
- en
- Open access
- bronze
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